EDS-208A-MM-SC – MOXA Unmanaged Switches

USD $ 325.50


Manufacturer Part Number: MOXA EDS-208A-MM-SC
OEM Spec Ref 

The MOXA EDS-208A-MM-SC is an advanced Unmanaged Ethernet Switch designed to deliver exceptional network performance and reliability in industrial settings. Engineered to support a wide range of applications, this switch ensures continuous operation and network stability.

Key Features:

  • Robust Industrial Design: Built to withstand harsh industrial environments, the EDS-208A-MM-SC features a durable metal casing and operates effectively in extreme temperatures ranging from -40 to 75°C, ensuring reliability in any setting.
  • Multi-Mode Fiber Connectivity: Equipped with multi-mode fiber ports, this switch extends network connections over longer distances, providing high-speed data transmission and reducing signal loss in expansive network setups.
  • Plug-and-Play Simplicity: As an unmanaged switch, it requires no configuration, offering easy setup and immediate operation out of the box, which simplifies network expansion and maintenance.
  • Redundant Power Inputs: The dual 12/24/48 VDC power inputs enhance system reliability and uptime by providing continuous power supply even in the event of a power failure in one source.
  • High Port Density: Features up to 8 Ethernet ports, allowing extensive connectivity options for various devices in industrial networks without needing additional equipment.


  • Enhanced Network Performance: By facilitating smooth and efficient data flow across network devices, the switch ensures optimal performance and minimizes downtime in critical industrial operations.
  • Increased System Reliability: The robust construction and redundant power inputs significantly reduce the risk of system failures, thereby enhancing overall network dependability.
  • Easy Deployment and Scalability: Its plug-and-play capability allows for hassle-free installation and easy integration into existing network infrastructures, supporting future network growth.
  • Cost-Effective Network Solution: Offers a high-performance networking solution without the complexity and costs associated with managed switches, making it an ideal choice for various industrial applications.


  • Industrial Automation: Crucial for reliable network communications in automated production lines, ensuring seamless integration and operation of machinery and equipment.
  • Transportation Systems: Ideal for traffic management and surveillance systems in transportation networks, where continuous and reliable data transmission is vital.
  • Energy and Utilities: Supports critical network infrastructure in power plants and utility facilities, ensuring robust and uninterrupted service delivery.
  • Surveillance and Security: Enables high-speed connections for surveillance cameras and security systems, enhancing safety and monitoring capabilities in industrial settings.

The MOXA EDS-208A-MM-SC Unmanaged Ethernet Switch stands out as a cornerstone in MOXA’s portfolio of industrial networking products, offering an efficient and reliable solution that enhances the resilience and performance of complex network systems.


Ethernet Interface 10/100BaseT(X) Ports (RJ45 connector) 6
Auto negotiation speed
Full/Half duplex mode
Auto MDI/MDI-X connection
100BaseFX Ports (multi-mode SC connector) 2
Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
Optical Fiber Refer table 2
Switch Properties MAC Table Size 2 K
Packet Buffer Size 768 kbits
Processing Type Store and Forward
Power Parameters Connection 1 removable 4-contact terminal block(s)
Input Current 0.15 A @ 24 VDC
Input Voltage 12/24/48 VDC
Redundant dual inputs
Operating Voltage 9.6 to 60 VDC
Overload Current Protection Supported
Reverse Polarity Protection Supported
DIP Switch Configuration Ethernet Interface Broadcast storm protection
Physical Characteristics Housing Aluminum
IP Rating IP30
Dimensions 50 x 114 x 70 mm (1.96 x 4.49 x 2.76 in)
Weight 275 g (0.61 lb)
Installation DIN-rail mounting
Wall mounting (with optional kit)
Environmental Limits Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications Safety UL 508
EN 62368-1 (LVD)
EMC EN 55032/35
EMI CISPR 32, FCC Part 15B Class A
EMS IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV
IEC 61000-4-6 CS: 10 V
IEC 61000-4-8 PFMF
Hazardous Locations ATEX
Class I Division 2
Railway EN 50121-4
Traffic Control NEMA TS2
Vibration IEC 60068-2-6
Shock IEC 60068-2-27
Freefall IEC 60068-2-31
Maritime ABS
MTBF Time EDS-208A: 3,248,014 hrs
EDS-208A-MM/SS: 2,705,157 hrs
EDS-208A-M/S: 2,943,335 hrs
Standards Telcordia (Bellcore), GB
Warranty Warranty Period 5 years
Details See www.moxa.com/warranty


Optical Fiber

Multi-Mode Single-Mode
Fiber Cable Type OM1 50/125 µm G.652
800 MHz x km
Typical Distance 4 km 5 km 40 km
Wavelength Typical (nm) 1300 1310
TX Range (nm) 1260 to 1360 1280 to 1340
RX Range (nm) 1100 to 1600 1100 to 1600
Optical Power TX Range (dBm) -10 to -20 0 to -5
RX Range (dBm) -3 to -32 -3 to -34
Link Budget (dB) 12 29
Dispersion Penalty (dB) 3 1

Note: When connecting a single-mode fiber transceiver, we recommend using an attenuator to prevent damage caused by excessive optical power.
Note: Compute the “typical distance” of a specific fiber transceiver as follows: Link budget (dB) > dispersion penalty (dB) + total link loss (dB).

Weight 0.275 kg
Dimensions 5 × 11.4 × 7 cm